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From: Lars Jonas Olsson <jonas@Mcs.Net>
Message-Id: <199612172035.OAA25547@Venus.mcs.net>
Subject: Re: EDO parit RAM (Was Re: Tyan ...)
To: pmai@hpwrc716.mayfield.hp.com (Ping Mai)
Date: Tue, 17 Dec 1996 14:35:51 -0600 (CST)
Cc: jonas@Mcs.Net, freebsd-hardware@freebsd.org
In-Reply-To: <199612171837.KAA21051@palrel1.hp.com> from "Ping Mai" at Dec 17, 96 10:37:58 am
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> 
> >  Note that there are two kinds of EDO parity RAM. One works both in
> > parity and ECC mode and the other only in ECC mode. I first bought EDO
> > parity RAM from Micron that only worked in ECC mode (Have to write all
> > 4 parity bits at once). I then found EDO parity RAM from Samsung that
> > works in regular parity mode. The type I buy is 32MB 60 ns, 72 pin,
> > gold leads, p/n KMM5368105BKG-6 they are sort of expensive though at
> > $280.
> > 
> > Jonas
> > 
> 
> What's wrong with ECC mode only memory?  Where can you find parity
> and ECC mode stuff?  Please enlighten me.
> 
> Thanks,
> ping
> 
> 
> 

 Running in ECC mode decreases performance by 10-15% (according to
memory of posts here). I bought Samsung EDO parity memory from Bell
Industries (310) 921-1580

Jonas